Hello, What is the idea behind this two types? When to use one over another. Basically, they are the same thing: typedef __u8 uint8_t; In the linux kernel code I've seen both of them used without any clear rule. thanks. Daniel. -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ